[jira] Commented: (PDFBOX-141) PDF to image conversion can lead to mostly black area

["Andreas Lehmkühler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PDFBOX-141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12646559#action_12646559 ] 

Andreas Lehmkühler commented on PDFBOX-141:
-------------------------------------------

There are some improvements made since 2006 concerning the handling of embedded fonts. The attached document isn't shown perfect, but you are able to see much more than described above and I think it's quite good enough for a thumbnail.

I suggest to close this issue.



> PDF to image conversion can lead to mostly black area
> -----------------------------------------------------
>
>                 Key: PDFBOX-141
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-141
>             Project: PDFBox
>          Issue Type: Bug
>
> [imported from SourceForge]
> http://sourceforge.net/tracker/index.php?group_id=78314&atid=552832&aid=1446370
> Originally submitted by nobody on 2006-03-09 04:37.
> We are using PDFBox to create thumbnails of the first
> page of PDF documents using PDPage.convertToImage().
> While this works like a charm in general, there are
> cases where only the images appear correctly and the
> remaining page area is just plain black. This is
> probably due to some failure in
> extracting/using/understanding/... the font? Please see
> the attached example PDF.
> If there is (really) no way to generate the text output
> (by using a default font like in other places of PDFBox
> for instance), we would be quite okay -- in fact even
> much happier as we are now *g* -- to receive an
> exception instead. (This would allow us to assign a
> default thumbnail for example.)
> Thanks for your help,
>   Reinhold
> [attachment on SourceForge]
> http://sourceforge.net/tracker/download.php?group_id=78314&atid=552832&aid=1446370&file_id=170303
> FHHagenbergTest.pdf (application/pdf), 185803 bytes
> PDF test file

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